GRAIL, Inc. (GRAL) Ownership
GRAL ownership summary
as of October 17, 2026- Institutions
- 86.3% of shares outstanding
- Insiders
- 4.92% of shares outstanding
- Shares outstanding
- 44.7M
- Float
- 34.3M shares available to trade
- Short interest
- 18.22% 8.0M shares short
- Days to cover
- 6.06 short interest down 6.5% vs prior month
- Institutions 86.27%
- Insiders 4.92%
- Other investors 8.81%
GRAL top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Farallon Capital Management, L.L.C. | 9.32% | 4.2M | $490.3M | +907,900 (+27.9%) | June 30, 2026 |
| 2 | Baker Bros Advisors LP | 9.02% | 4.0M | $474.6M | — | June 30, 2026 |
| 3 | BlackRock Inc | 8.01% | 3.6M | $421.4M | +608,539 (+20.5%) | June 30, 2026 |
| 4 | Fort Hoosac Management, LLC | 6.95% | 3.1M | $365.6M | +2.1M (+199.9%) | June 30, 2026 |
| 5 | State Street Corp | 5.34% | 2.4M | $281.0M | +493,621 (+26.1%) | June 30, 2026 |
| 6 | PRIMECAP Management Company | 4.88% | 2.2M | $256.8M | +336,334 (+18.2%) | June 30, 2026 |
| 7 | Sessa Capital, L.P | 4.56% | 2.0M | $240.0M | +318,204 (+18.5%) | June 30, 2026 |
| 8 | Deep Track Capital, LP | 4.11% | 1.8M | $216.2M | +112,147 (+6.5%) | June 30, 2026 |
| 9 | Vanguard Capital Management, LLC | 3.67% | 1.6M | $193.3M | +114,012 (+7.5%) | June 30, 2026 |
| 10 | Morgan Stanley - Brokerage Accounts | 3.27% | 1.5M | $172.3M | −170,032 (−10.4%) | June 30, 2026 |
| 11 | Geode Capital Management, LLC | 2.22% | 991K | $116.8M | +163,438 (+19.7%) | June 30, 2026 |
| 12 | The Goldman Sachs Group Inc | 1.67% | 748K | $88.1M | +166,091 (+28.5%) | June 30, 2026 |
| 13 | Jefferies Financial Group Inc | 1.62% | 724K | $85.3M | +66,500 (+10.1%) | June 30, 2026 |
| 14 | Bank of America Corp | 1.62% | 723K | $85.2M | −190,677 (−20.9%) | June 30, 2026 |
| 15 | Dimensional Fund Advisors, Inc. | 1.52% | 680K | $80.1M | +270,937 (+66.3%) | June 30, 2026 |
| 16 | Casdin Capital, LLC | 1.07% | 480K | $56.5M | +250,000 (+108.7%) | June 30, 2026 |
| 17 | Vanguard Portfolio Management, LLC | 1.07% | 478K | $56.3M | +143,076 (+42.7%) | June 30, 2026 |
| 18 | Northern Trust Corp | 0.83% | 373K | $43.9M | +23,451 (+6.7%) | June 30, 2026 |
| 19 | Citigroup Inc | 0.83% | 371K | $43.7M | +69,117 (+22.9%) | June 30, 2026 |
| 20 | Kingdon Capital Management LLC | 0.76% | 340K | $40.1M | +340,000 (0.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 17 holders added 6.5M shares and 2 cut 361K.
GRAL top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | PRIMECAP Odyssey Aggressive Growth | 3.54% | 1.6M | $186.1M | +269,600 (+20.6%) | June 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 2.76% | 1.2M | $145.1M | −1,855 (−0.2%) | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.39% | 1.1M | $125.8M | −12,288 (−1.1%) | September 30, 2026 |
| 4 | State Street® SPDR® S&P® Biotech ETF | 2.21% | 986K | $116.1M | −18,850 (−1.9%) | September 30, 2026 |
| 5 | Fidelity Small Cap Index | 1.01% | 452K | $53.2M | +3,954 (+0.9%) | July 31, 2026 |
| 6 | iShares Russell 2000 Value ETF | 0.87% | 387K | $45.6M | +588 (+0.2%) | September 30, 2026 |
| 7 | iShares Biotechnology ETF | 0.74% | 329K | $38.7M | −2,488 (−0.8%) | September 30, 2026 |
| 8 | Vanguard US Opportunities Ins USD Acc | 0.58% | 259K | $30.5M | +1,000 (+0.4%) | June 30, 2026 |
| 9 | Vanguard Russell 2000 ETF | 0.53% | 237K | $28.0M | +5,629 (+2.4%) | August 31, 2026 |
| 10 | Schwab US Small-Cap ETF™ | 0.53% | 235K | $27.7M | +153 (+0.1%) | September 30, 2026 |
| 11 | abrdn Healthcare Investors | 0.45% | 202K | $23.8M | +31,711 (+18.7%) | August 31, 2026 |
| 12 | Vanguard Capital Opportunity Inv | 0.37% | 165K | $19.5M | — | June 30, 2026 |
| 13 | Fidelity Extended Market Index | 0.36% | 160K | $18.8M | −2,231 (−1.4%) | August 31, 2026 |
| 14 | Dimensional US Small Cap ETF | 0.31% | 138K | $16.2M | — | September 30, 2026 |
| 15 | DFA US Small Cap I | 0.30% | 135K | $15.9M | — | August 31, 2026 |
| 16 | Morgan Stanley Inst Inception I | 0.30% | 132K | $15.5M | +6,947 (+5.6%) | June 30, 2026 |
| 17 | Fidelity Enhanced Small Cap Core ETF | 0.29% | 130K | $15.3M | +270 (+0.2%) | September 30, 2026 |
| 18 | EQ/Morgan Stanley Small Cap Growth K | 0.27% | 123K | $14.4M | — | August 31, 2026 |
| 19 | Vanguard Health Care ETF | 0.26% | 116K | $13.7M | +1,111 (+1.0%) | August 31, 2026 |
| 20 | DFA US Micro Cap I | 0.25% | 111K | $13.1M | +171 (+0.2%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
GRAL insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-08 | Joshua J Ofman | Sell | $49.92 | 61,665 | $3.1M |
| 2026-04-08 | Robert P Ragusa | Sell | $49.92 | 123,502 | $6.2M |
| 2026-04-08 | Aaron Freidin | Sell | $49.92 | 45,806 | $2.3M |
| 2026-03-09 | Aaron Freidin | Sell | $47.89 | 2,492 | $119,342 |
| 2026-03-09 | Joshua J Ofman | Sell | $47.89 | 2,937 | $140,653 |
| 2026-03-09 | Robert P Ragusa | Sell | $47.89 | 7,461 | $357,307 |
| 2026-03-05 | Aaron Freidin | Sell | $53.01 | 655 | $34,722 |
| 2026-03-05 | Joshua J Ofman | Sell | $53.01 | 690 | $36,577 |
| 2026-03-05 | Robert P Ragusa | Sell | $53.01 | 980 | $51,950 |
| 2026-03-02 | Aaron Freidin | Sell | $50.17 | 9,573 | $480,277 |
| 2026-03-02 | Joshua J Ofman | Sell | $50.16 | 17,002 | $852,820 |
| 2026-03-02 | Robert P Ragusa | Sell | $50.17 | 37,504 | $1.9M |
| 2025-10-16 | Joshua J Ofman | Sell | $82.01 | 6,114 | $501,409 |
| 2025-10-15 | Joshua J Ofman | Sell | $76.03 | 8,865 | $674,006 |
| 2025-10-15 | Robert P Ragusa | Sell | $68.88 | 7,239 | $498,622 |
| 2025-10-06 | Joshua J Ofman | Sell | $62.50 | 81,385 | $5.1M |
| 2025-10-02 | Joshua J Ofman | Sell | $64.00 | 9,692 | $620,288 |
| 2025-08-19 | Joshua J Ofman | Sell | $32.02 | 4,202 | $134,548 |
| 2025-07-15 | Aaron Freidin | Sell | $38.93 | 8,000 | $311,440 |
| 2025-07-01 | Chun R Ding | Sell | $49.53 | 339,800 | $16.8M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
GRAL shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns GRAL
Institutional investors own 86.3% of GRAIL's shares and insiders 4.92%. The largest holder is Farallon Capital Management, L.L.C. with 9.32% of the shares (4.2M), as of June 30, 2026. Among the top 20 institutions, 17 added shares and 2 reduced their stake in the latest filings. Short interest is 18.22% of the float, or 6.06 days of average trading volume. The share count fell 67.4% since 2019.
Related: GRAL analyst forecast, GRAL key metrics. See the GRAL stock overview for the latest quote and news.
GRAL ownership FAQ
Who owns the most GRAIL stock?
The largest shareholders of GRAIL are Farallon Capital Management, L.L.C. (9.32%), Baker Bros Advisors LP (9.02%), BlackRock Inc (8.01%), Fort Hoosac Management, LLC (6.95%), State Street Corp (5.34%).
What percentage of GRAIL is owned by institutions?
Institutions hold 86.3% of GRAIL's shares outstanding; insiders hold 4.92%.
Which funds own GRAIL?
The largest fund holders of GRAIL are PRIMECAP Odyssey Aggressive Growth (3.54%), Vanguard MStar Total Stk Mkt Idx Invest (2.76%), iShares Russell 2000 ETF (2.39%), State Street® SPDR® S&P® Biotech ETF (2.21%), Fidelity Small Cap Index (1.01%).
What is GRAIL's short interest?
8.0M shares of GRAIL were sold short, 18.22% of the float; at the average daily volume it would take 6.06 days to cover.
Are insiders buying or selling GRAIL?
Of the latest 20 reported insider transactions in GRAIL (since July 1, 2025), 0 were purchases and 20 were sales.
How many shares of GRAIL are outstanding?
GRAIL has 44.7M shares outstanding, of which 34.3M are in the public float.